﻿using System;

namespace ConsoleDemo
{
    public class IdentifierDemo
    {
        /// <summary>
        /// 大小写敏感
        /// </summary>
        public static void CaseSensitivity()
        {
            string Ac = "123";
            string ac = "456";
            Console.WriteLine(Ac);
            Console.WriteLine(ac);
        }
    }
}
